1.一长数字切割,使得各部分3的倍数个数最多 如:12345,切为12,3,45,返回3 import sys def sp(x): cou, sum = 0, 0 for i in range(len(x)): sum += int(x[i]) if sum % 3 == 0: cou += 1 sum = 0 return cou for line in sys.stdin: x = line.strip() print(sp(x)) 2.递增序列最大和 int increaseArraySum(int *a, int n){ int sum[n],max_sum=0; for(in...